li {
  list-style: none;
}
.header {
  width: 100%;
  height: 45px;
  background-color: #262729;
  position: relative;
}
.logo {
  float: left;
  margin: 12px 0 0 20px;
  background: url()
    no-repeat 50%;
  height: 18px;
  width: 18px;
}

.header ul {
  float: left;
  height: 45px;
  width: 1200px;
  position: absolute;
  left: 50%;
  margin-left: -600px;
}

.header li {
  font-size: 12px;
  line-height: 45px;
  float: left;
  color: rgb(190, 190, 191);
  padding: 0px 20px;
  cursor: pointer;
  box-sizing: border-box;
  width: max-content;
  width: min-content;
  white-space: nowrap;
}
#none {
  width: 100%;
  height: 0px;
  background-color: white;
  position: absolute;
  top: 60px;
  z-index: 99;
  opacity: 0;
  div {
    width: 1220px;
    margin: 0 auto;
    ul {
      font-size: 14px;
      color: #999;
      height: 300px;
      float: left;
      margin-left: 200px;
      position: relative;
      li {
        color: black;
        width: 120px;
        height: 60px;
        margin-top: 10px;
        line-height: 60px;
        position: relative;
        left: -10px;
        
        img {
          display: block;
          float: left;
          width: 50px;
          height: 50px;
        }
      }
    }
  }
}
.sp2 {
  width: 20px;
  height: 20px;
  display: block;
  float: right;
  background-image: url(../img/1.png);
  background-position: 1px 1px;
  margin-right: 20px;
  margin-top: 10px;
  background-size: 180%;
  a{
    width: 100%;
    height: 100%;
  }
}
.sp1 {
  width: 20px;
  height: 20px;
  display: block;
  color: red;
  float: right;
  background: url("../img/1.png");
  background-position: 2px 19px;
  margin-right: 40px;
  background-size: 180%;
  margin-top: 10px;
  cursor: pointer;
  a{
    width: 100%;
    height: 100%;
  }
}
.change {
  color: rgb(255, 255, 255);
  font-weight: bold;
}
